So, we've all run into the dilema of how to keep our brew at a
constant, cool temperature while brewing. OK, I haven't since my
brewing attempts have always been amateurish and usually failed. Still,
this is important. Luckily a fine gent named Greg decided to use an old computer running FreeBSD rigged up to a fridge to solve this problem:
If you have any doubt if this works, check out the photo of Greg on his site. ALWAYS trust a geek with that much facial hair. Always.
Link via: Anil's Doublespeak